package easy;

public class leetcode83 {
    public ListNode deleteDuplicates(ListNode head) {
        return new ListNode();
    }

    class ListNode {
        int val;
        easy.ListNode next;

        ListNode() {
        }

        ListNode(int val) {
            this.val = val;
        }

        ListNode(int val, easy.ListNode next) {
            this.val = val;
            this.next = next;
        }
    }
}
